Provided is an optical axis adjustment device for a vehicle headlamp. The optical axis adjustment device adjusts an optical axis of a headlamp unit to be mounted in a vehicle, and the optical axis adjustment device includes: an engine temperature acquirer; a displacement amount calculator; a speed information acquirer; and an optical axis adjuster. The engine temperature acquirer acquires a temperature in an engine compartment of the vehicle. The displacement amount calculator calculates a displacement amount of the optical axis based on the acquired temperature. The speed information acquirer acquires speed information including a travel speed and a travel time of the vehicle. The optical axis adjuster adjusts the optical axis of the headlamp unit on a basis of the calculated displacement amount and the acquired speed information.
Optical axis adjustment device
2024-05-21
Patent
Electronic Resource
English
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |
OPTICAL AXIS ADJUSTMENT DEVICE AND OPTICAL AXIS ADJUSTMENT METHOD
European Patent Office | 2024
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